+ beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+ cygwin* | mingw* | os2*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ ac_cv_prog_cc_pic='-DDLL_EXPORT'
+ ;;
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_cv_prog_cc_pic='-fno-common'
+ ;;
+ *djgpp*)
+ # DJGPP does not support shared libraries at all
+ ac_cv_prog_cc_pic=
+ ;;